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View Full Version : how much further can I bore this


pantera1975
03-30-2011, 09:13 PM
My 85 250r needs a piston its 1.25mm now. How many times more can I bore it. I think 1 oversize will be enough I hope to clean it up. I don't wanna have any heating issues.
KASEY
03-30-2011, 10:29 PM
short rod pistons go all the way to .120 over thats 6mm!!! so go,,, no worries
cr480r
03-31-2011, 06:55 AM
.120 = 3mm
pantera1975
03-31-2011, 07:35 AM
OK good. Thanks